A detailed analysis of the symmetry-breaking patterns in left-right-symmetric models is performed, looking for a soft violation of CP and requiring the absence of Higgs-boson-induced flavor-changing neutral currents in the light-Higgs-boson sector. The difficulties typical of pseudomanifest left-right-symmetric theories in ensuring both properties are discussed. An alternative approach is proposed in which the Weinberg-Salam projection of the left-right model is naturally flavor conserving and CP is spontaneously violated in the manner of Weinberg without effects of Kobayashi-Maskawa phases.

Symmetry-breaking patterns in left-right-symmetric models: How to ensure natural flavour conservation and a soft CP violation

COCOLICCHIO, Decio Pietro;
1985

Abstract

A detailed analysis of the symmetry-breaking patterns in left-right-symmetric models is performed, looking for a soft violation of CP and requiring the absence of Higgs-boson-induced flavor-changing neutral currents in the light-Higgs-boson sector. The difficulties typical of pseudomanifest left-right-symmetric theories in ensuring both properties are discussed. An alternative approach is proposed in which the Weinberg-Salam projection of the left-right model is naturally flavor conserving and CP is spontaneously violated in the manner of Weinberg without effects of Kobayashi-Maskawa phases.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11563/3262
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